Main Cast
Shim Kyu-hyuck
Park Hyung Seok (Small) (voice)
Han Shin
Park Hyung Seok (Big) (voice)
Ryu Seung-gone
Lee Jin Seong / Park Jong Gun (voice)
Jeong Jae-heon
Vasco / CEO / Lee Nam Su (voice)
Nam Doh-hyeong
Jin Ho Bin / Jang Gi Seok / Kim Mae Sik / Park Bum Jae (voice)
Hwang Chang-yung
Pyun Deok Hwa / Lee Tae Sung / Oira (voice)
